/**
  * actionCreatecategory function.
  *
  * @access public
  * @return json array
  */
 public function actionCreatecategory()
 {
     Yii::$app->response->getHeaders()->set('Vary', 'Accept');
     Yii::$app->response->format = Response::FORMAT_JSON;
     $model = new BlogTerms();
     if ($model->load(Yii::$app->request->post())) {
         $model->type = 'category';
         if ($model->validate() && $model->save()) {
             return ['success' => true, 'model' => $model];
         }
     }
     return ['error' => $model->errors];
 }